Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and LANDSAT-8
TLE Epoch: 2021 8 10.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 08/11/2021   22:49:43   (  70.03,-166.12) 08/11/2021   22:50:18  (  70.03,-166.16)    1.50                35
 08/11/2021   23:40:25   ( -69.94,   1.32) 08/11/2021   23:39:48  ( -69.92,   1.33)    2.03                37
 08/14/2021   14:16:04   ( -70.67, 141.32) 08/14/2021   14:17:13  ( -70.58, 142.87)   58.03                69
 08/14/2021   15:06:37   (  70.03, -50.36) 08/14/2021   15:06:47  (  70.03, -50.28)    2.81                10
 08/14/2021   15:57:18   ( -69.89, 117.17) 08/14/2021   15:56:18  ( -69.87, 117.13)    2.75                60
 08/17/2021   06:32:47   ( -70.10,-102.00) 08/17/2021   06:33:51  ( -70.08,-101.97)    2.06                64
 08/17/2021   07:23:31   (  69.98,  65.49) 08/17/2021   07:23:18  (  69.97,  65.51)    1.70                13
 08/17/2021   08:14:05   ( -69.47,-126.44) 08/17/2021   08:12:54  ( -69.54,-127.45)   40.03                71
 08/19/2021   22:49:41   ( -70.05,  13.85) 08/19/2021   22:50:21  ( -70.07,  13.89)    3.20                40
 08/19/2021   23:40:25   (  69.93,-178.67) 08/19/2021   23:39:48  (  69.95,-178.63)    3.02                37
 08/22/2021   14:16:04   (  70.67, -38.68) 08/22/2021   14:17:13  (  70.59, -37.10)   59.04                69
 08/22/2021   15:06:35   ( -70.00, 129.69) 08/22/2021   15:06:52  ( -70.00, 129.68)    0.85                17
 08/22/2021   15:57:19   (  69.89, -62.83) 08/22/2021   15:56:19  (  69.88, -62.84)    0.61                60